/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2017, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * Original Author:  Arnaud Roques
 * 
 * Revision $Revision: 3837 $
 *
 */
package net.sourceforge.plantuml.turing;

public enum BFToken {

	NEXT('>'), PREVIOUS('<'), PLUS('+'), MINUS('-'), OUTPUT('.'),
	INPUT(','), BRACKET_LEFT('['), BRACKET_RIGHT(']');

	private final char c;
	
	private BFToken(char c) {
		this.c = c;
	}
	
	public char toChar() {
		return c;
	}

	public static BFToken getToken(char c) {
		switch (c) {
		case '>':
			return NEXT;
		case '<':
			return PREVIOUS;
		case '+':
			return PLUS;
		case '-':
			return MINUS;
		case '.':
			return OUTPUT;
		case ',':
			return INPUT;
		case '[':
			return BRACKET_LEFT;
		case ']':
			return BRACKET_RIGHT;
		default:
			return null;
		}
	}
}
